Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The force of a suction cup is calculated using F=AP.
15
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
One cubic foot of gold weighs more than 1,200 pounds!
78
Pumice is the only rock that floats on water.
14
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0